If Researchers Wanted to Find the Average Age of All

question 27

Multiple Choice

If researchers wanted to find the average age of all licensed social workers in a country, they would undertake:

• A) ​a descriptive study.
• B) ​a trend study
• C) ​a cohort study.
• D) ​an exploratory study.
• E) ​an explanatory study.

---

Definitions:

Risk Aversion

a preference for certain outcomes over uncertain ones, often characterized by the avoidance of risky situations.

Expected Value

A calculated average of all possible values for a random variable, taking into account their probabilities of occurrence.

Lottery

A form of gambling involving the drawing of numbers at random for a prize, often regulated by governments.

Adverse Selection

A situation in which one party in a transaction has more information than the other, often leading to a negative outcome for the less-informed party.